PybWifiParamModule.java 文件源码

@ReactMethod
public void getWifiSSID(Callback callback){
    String SSID;
    Context context = this.getReactApplicationContext();
    ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo networkInfo = connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
    if(networkInfo != null && networkInfo.isConnected()){
        WifiManager wifiManager = (WifiManager) context.getSystemService(context.WIFI_SERVICE);
        WifiInfo wifiInfo = wifiManager.getConnectionInfo();
        SSID = wifiInfo.getSSID();
        if(SSID.startsWith("\"") && SSID.endsWith("\""))
            SSID = SSID.substring(1, SSID.length()-1);
        callback.invoke(null, SSID);
    }
    else{
        callback.invoke("Error: unable to retrieve SSID.", null);
    }
}